Intel debugger interface open to hacking via USB
http://blog.ptsecurity.com/2017/01/intel-debugger-interface-open-to.html [blog.ptsecurity.com]
2017-01-22 04:44
However, starting with the Skylake processor family in 2015, Intel introduced Direct Connect Interface (DCI), which provides access to the JTAG debugging interface via common USB 3.0 ports.
From 33C3 presentation.
source: R